40 Cal 357 [G17, G 19, G22. No Glocks Owned: Glock 19 gen4, Glock 35 gen3.For those that shoot Glock pistols in .40 SW but like the 9mm also Good to be visually reminded that I do in fact have the conversion barrel installed. . have a G 19 Gen4 (I dont have a G19) and that it came with a .40 cal. Shooting the Glock 22/40 Caliber handgun Gen3.